Five parts of California, including County, were listed among the top 10 smoggiest in the U.S. by the American Lung ...

A new report from the American Lung Association shows that Phoenix's ozone problem is worsening, while its particulate ...

A state climate program helps Smithfield Foods and others profit from animal waste. Scientists and neighbors say the deal ...

Legislators have removed the cost-sharing responsibilities from a bill sponsored by San Jose Mayor Matt Mahan that sought to ...

The American Lung Association's "State of the Air" report is out, and Riverside County comes in second as the state's most ...

The LA area is once again the worst for ozone in the U.S., a pollutant impacting millions more people nationwide, the ...

From higher costs to export worries, California’s agricultural and wine industries face many possible tariff effects. But ...

Weakening or rolling back longstanding environmental regulations would worsen the problem, the American Lung Association ...

Revenue from the gasoline excise tax that drivers currently pay at the gas pump is declining because of better fuel mileage ...

From higher costs to export worries, California’s agricultural and wine industries face many possible tariff effects. But ...

A new report from the American Lung Association notes a drastic decline in air quality and raises health alarms. Climate ...

In January, the Palo Alto school board met to discuss requiring high schoolers to take courses covering the displacement of ...